/*
 * Copyright 2022 Google LLC
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */

#ifndef skgpu_graphite_PrecompileBasePriv_DEFINED
#define skgpu_graphite_PrecompileBasePriv_DEFINED

#include "src/gpu/graphite/Precompile.h"

namespace skgpu::graphite {
/* * Class that exposes methods to PrecompileBase that are only intended for use internal to Skia.
    This class is purely a privileged window into PrecompileBase. It should never have additional
    data members or virtual methods. */
class PrecompileBasePriv {
public:
    bool isALocalMatrixShader() const
    {
        return fPrecompileBase->isALocalMatrixShader();
    }

    void addToKey(const KeyContext &keyContext, PaintParamsKeyBuilder *builder, PipelineDataGatherer *gatherer,
        int desiredCombination) const
    {
        fPrecompileBase->addToKey(keyContext, builder, gatherer, desiredCombination);
    }

private:
    friend class PrecompileBase; // to construct/copy this type.

    explicit PrecompileBasePriv(PrecompileBase *precompileBase) : fPrecompileBase(precompileBase) {}

    PrecompileBasePriv &operator = (const PrecompileBasePriv &) = delete;

    // No taking addresses of this type.
    const PrecompileBasePriv *operator&() const;
    PrecompileBasePriv *operator&();

    PrecompileBase *fPrecompileBase;
};

inline PrecompileBasePriv PrecompileBase::priv()
{
    return PrecompileBasePriv(this);
}

// NOLINTNEXTLINE(readability-const-return-type)
inline const PrecompileBasePriv PrecompileBase::priv() const
{
    return PrecompileBasePriv(const_cast<PrecompileBase *>(this));
}
} // namespace skgpu::graphite

#endif // skgpu_graphite_PrecompileBasePriv_DEFINED
